The description of the item 4702000001 of China HScode: Chemical wood pulp, dissolving grades: Chemical wood pulp, dissolving grades: For the production of viscose chemical fiber (not containing cellulose acetate) of chemical wood pulp, dissolving (content of alpha cellulose pulp viscosity is greater than or equal to 3.7dl/g, and <6.4dl/g, and >=350ml/g, and (<700ml/g, R18, sulfate) >=88%, and <95.5%, or the content od alpha cellulose (R18, sulfite) >=87%, and <94%, ash<=0.15%)